OpenTechnical

OT-2026-000034447

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000034447) never changes.

Identity and time

Publication numberOT-2026-000034447 · never reused
Internal UUID01a0ae76-12eb-747f-a265-d58434b2522b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034447
StatusPUBLIC

Content hashes

Canonical textafcf23085bd73b6869bf0ea2e76c917228d4f038374fb6dbff2841b54533a43a
Markdown41e6c10ad335da579125eaee879b7672029c8b569de04a242fdbf5b552c30be4
PDF
Publication page59e4fc65933b10b612e000fad93451db339a61f422d758379067638715f5ffb0
Manifestce42ddf770d16088c9cc194da132fce720615a846d8e1c0f55ab73c3fb99e705

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureBpbjpGFxl5aLwEiGuKaJHe8ngHZAE73nl6U/JstBEneuiNSsPDIR+tyF41Vw8MJrLYXXztQjZ6yAOo7aABj3AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:46.409113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447
observed 59e4fc65933b10b612e000fad93451db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.393345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447/manifest.json
observed ce42ddf770d16088c9cc194da132fce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.375354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447/publication.md
observed 41e6c10ad335da579125eaee879b7672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:46.358263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447/publication.txt
observed afcf23085bd73b6869bf0ea2e76c9172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.201967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447
observed 59e4fc65933b10b612e000fad93451db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.182477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447/manifest.json
observed ce42ddf770d16088c9cc194da132fce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.152324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447/publication.md
observed 41e6c10ad335da579125eaee879b7672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:01.135304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034447/publication.txt
observed afcf23085bd73b6869bf0ea2e76c9172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.